CN201322706Y - Pressure testing device - Google Patents
Pressure testing device Download PDFInfo
- Publication number
- CN201322706Y CN201322706Y CNU2008202054523U CN200820205452U CN201322706Y CN 201322706 Y CN201322706 Y CN 201322706Y CN U2008202054523 U CNU2008202054523 U CN U2008202054523U CN 200820205452 U CN200820205452 U CN 200820205452U CN 201322706 Y CN201322706 Y CN 201322706Y
- Authority
- CN
- China
- Prior art keywords
- hydraulic pump
- pressure
- pressure testing
- pipeline
- pneumatically powered
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a pressure testing device, wherein an electric hydraulic pump and a pneumatic hydraulic pump set formed by the serial connection of more than one pneumatic hydraulic pump are arranged between an oil tank and a liquid feed pipeline in parallel. When in pressure testing, the electric hydraulic pump with larger discharge capacity is firstly started to work and press liquid in the oil tank into a pressure testing chamber more rapidly so that the liquid pressure in the pressure testing chamber is prompted to a pressure value; and then, the electric hydraulic stops, the pneumatic hydraulic pump set is started, as the pressure of liquid discharged from the pneumatic hydraulic pump set is high, liquid with higher pressure can be pressed into the pressure testing chamber; and the liquid in the pressure testing chamber is further pressurized to further improve the pressure value of the liquid in the pressure testing chamber. The pressure testing device not has the advantage of large discharge capacity of an electric pressure testing table, but also has the characteristic of high pressure testing pressure of a pneumatic pressure testing table and increases the applicability of the device at the same time of improving the efficiency of a pressure testing experiment.
Description
Technical field
The utility model relates to a kind of pressure testing device that is used for pressure part is carried out high pressure or UHV (ultra-high voltage) pressure detection.
Technical background
Pressure restraining elements such as the preventer stack in the well control equipment that the petroleum engineering well head uses, throttle manifold, casinghead, pipeline member, valve member need under high pressure be worked, and before it comes into operation, need carry out high-potting, can work under high pressure conditions to guarantee it.Existing pressure testing device mainly contains two kinds.A kind of is pneumatic pressure testing table, it pressurizes to the pressure testing chamber by pneumatically powered hydraulic pump, pressure test pressure can reach very high, but discharge capacity is little, the common maximum of its flow can only reach about 201/min, and the whole process time that boosts is long during its pressure testing, and the well head pressure testing will expend the plenty of time, sometimes even reach more than ten day, it has influenced work efficiency greatly.A kind of is electronic pressure testing table, pumps into highly pressurised liquid by electric hydraulic pump in the pressure testing chamber, carries out pressure testing, and its electric hydaulic pumping rate is big, the rate of rise of pressure chamber is fast, the efficient height.Yet the pressure of its discharged liquid of electric hydraulic pump is less relatively, and the pressure in pressure testing chamber is limited during pressure testing, can't finish for the pressure-bearing pressure testing of some UHV (ultra-high voltage), uses limited.
The utility model content
The utility model is intended to provide the pressure testing device that a kind of discharge capacity is big, pressure is high, with efficient that improves pressure testing device and the applicability that strengthens pressure testing device.
Pressure testing device of the present utility model, comprise the fuel tank, the electric hydraulic pump that are used to store pressure liquid, the imbibition pipeline connection fuel tank of its electric hydraulic pump, the fluid pipeline of electric hydraulic pump is connected to the pressure testing chamber by the feed flow pipeline, on the feed flow pipeline high-pressure stop valve is installed, pneumatically powered hydraulic pump group with the electric hydaulic parallel connection of pumps is installed between its fuel tank and feed flow pipeline, the pneumatically powered hydraulic pump group is in series by one or more pneumatically powered hydraulic pumps, the imbibition pipeline connection fuel tank of pneumatically powered hydraulic pump group, the fluid pipeline connection feed flow pipeline of pneumatically powered hydraulic pump group.
Pressure testing device described in the utility model, between its fuel tank and feed flow pipeline, the electric hydraulic pump and the pneumatically powered hydraulic pump group that are in parallel are arranged, during pressure testing, start the bigger electric hydaulic pump work of discharge capacity earlier, it can be pressed into the liquid in the fuel tank in the pressure testing chamber more quickly, makes the fluid pressure in the pressure testing chamber rise to certain force value rapidly; Then, electric hydraulic pump stops, the Pneumatic hydraulic pump startup, by regulating the pressurized air that drives it, the pressure of pneumatically powered hydraulic pump discharged liquid can be very high, its general more liquid of high pressure is pressed in the pressure testing chamber, to the further pressurization of pressure testing intracavity liquid, pressure testing intracavity liquid force value is further improved.The big advantage of the existing electronic pressure testing table discharge capacity of its pressure testing device has the high characteristics of pneumatic pressure testing table pressure test pressure again, when improving the pressure testing test efficiency, has also strengthened the applicability of device.In addition, the pressure of pneumatically powered hydraulic pump discharged liquid with as the proportional relation of compressed-air actuated pressure of power, by regulating compressed-air actuated pressure, can control the pressure of pneumatically powered hydraulic pump output liquid easily, thereby realize control the pressure in the pressure testing chamber.
Description of drawings
Fig. 1 is a kind of structural representation of pressure testing device;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is a kind of structural representation of pressure testing device;
Fig. 4 is a kind of structural representation of pressure testing device;
Fig. 5 is the vertical view of Fig. 4.
Embodiment
Embodiment 1, a kind of pressure testing device, as Fig. 1, Fig. 2, comprise the fuel tank 1, electric hydraulic pump 20 and the pneumatically powered hydraulic pump 30 that are used to store pressure liquid, the imbibition pipeline 21 of electric hydraulic pump 20 is communicated with fuel tank 1, the fluid pipeline 22 of electric hydraulic pump is connected to the pressure testing chamber by feed flow pipeline 4, high-pressure stop valve 5 is installed on the feed flow pipeline 4, fuel tank 1 and 4 of feed flow pipelines are equipped with the pneumatically powered hydraulic pump 30 in parallel with electric hydraulic pump 20, the imbibition pipeline 31 of pneumatically powered hydraulic pump 30 is communicated with fuel tank 1, and the fluid pipeline 32 of pneumatically powered hydraulic pump is communicated with feed flow pipeline 4.
Embodiment 2, a kind of pressure testing device, its difference from Example 1 is, it has two pneumatically powered hydraulic pumps that are in series and electric hydraulic pump to be in parallel 4 of fuel tank 1 and feed flow pipelines, as Fig. 3, two pneumatically powered hydraulic pumps are respectively elementary pneumatically powered hydraulic pump 30a and secondary pneumatically powered hydraulic pump 30b, and the ratio of compression of secondary pneumatically powered hydraulic pump is more elementary wants high.Since the electric hydaulic parallel connection of pumps two pneumatically powered hydraulic pumps that are in series, the liquid that it extrudes through elementary pneumatically powered hydraulic pump, flow into the pressure testing chamber through high-pressure stop valve by the feed flow pipeline again after higher secondary pneumatically powered hydraulic pump compression is boosted through ratio of compression, the pressure testing intracavity liquid is further pressurizeed, its more only the one-level pneumatically powered hydraulic pump can reach higher pressure test pressure, can further improve the force value that pressure testing device can reach, make the force value of the pressure test that pressure testing device can carry out can be higher.In addition, secondary compression reaches corresponding ratio of compression, with the one-level compression reach corresponding ratio of compression compare the volume of primer fluid press pump also can be littler.
On the feed flow pipeline behind the high-pressure stop valve 5 the release pipeline 6 that is communicated with fuel tank 1 can be installed, pressure-release valve 7 be installed, on the release pipeline 6 by the break-make of pressure-release valve pilot piping.After pressure testing finishes, open pressure-release valve 7, the highly pressurised liquid in the pressure testing chamber can flow in the fuel tank 1, thereby reduces the hydraulic pressure in the chamber of exerting pressure, and with the liquids recovery that extrudes.
Pressure testing device need carry out pressure testing to well-control equipment in the well head working-yard sometimes, in its pressure testing process, can sneak into impurity such as the grains of sand in the pressure liquid, the pressure liquid after the pressure testing, as be recovered to the normal use that can pollute fuel tank in the fuel tank and influence fuel tank.In order to prevent that above-mentioned situation from taking place, another release branch road 8 to extraneous release can be installed on the feed flow pipeline behind the high-pressure stop valve 5 again, the release branch road is connected drainpipe 9, pressure-release valve 10 is installed on it, as Fig. 4, Fig. 5, the branch road of two releases is arranged on the feed flow pipeline, one is communicated with fuel tank, article one, directly lead to drainpipe, stop valve all is installed on two branch roads as pressure-release valve.In the pressure testing process, whole pipeline is comparatively clean, in the time of can not polluting pressure liquid, pressure liquid after pressure testing finishes, can open with branch road that fuel tank is communicated with on pressure-release valve, make pressure liquid be recycled to fuel tank, repeatedly use.Work as on-site voltage-measuring, examination process pipeline and pressure liquid is easy when contaminated, and pressure testing is opened the pressure-release valve that is communicated with discharging tube after finishing, and pressure liquid is discharged by discharging tube.
At the scene during pressure testing; because pressure liquid pollutes easily; can not reclaim use; usually can use cheap water during pressure testing as pressure liquid; when water is lower than zero degrees celsius in temperature; may take place for fear of this situation because of the water sharp freezing makes conduit failure, on the imbibition pipeline of electric hydraulic pump and pneumatically powered hydraulic pump drainage arrangement is installed all.Cross when low when temperature, the water in electric hydraulic pump and the Pneumatic hydraulic pump line road can be discharged by drainage arrangement, thus the protection pipeline.Described drainage arrangement can be the ajutage that opened and closed by valve control etc.
The drain pipe of electric hydraulic pump 20 is equipped with the bypass line 11 that communicates with fuel tank 1, surplus valve 12 is installed, as Fig. 3, Fig. 4, Fig. 5 on the bypass line 11.When the pressure of electric hydraulic pump discharging tube is excessive; surplus valve can be opened automatically, and it can prevent that electric hydraulic pump from damaging because of hypertonia, plays a protective role to electric hydraulic pump; when the out-of-work controller of control electric hydraulic pump damaged, its protective effect was particularly important especially.
Claims (6)
1, a kind of pressure testing device, comprise the fuel tank (1) that is used to store pressure liquid, electric hydraulic pump (20), the imbibition pipeline (21) of its electric hydraulic pump is communicated with fuel tank (1), the fluid pipeline (22) of electric hydraulic pump is connected to the pressure testing chamber by feed flow pipeline (4), high-pressure stop valve (5) is installed on the feed flow pipeline, it is characterized in that: between fuel tank (1) and feed flow pipeline (4) the pneumatically powered hydraulic pump group in parallel with electric hydraulic pump (20) is installed, the pneumatically powered hydraulic pump group is in series by an above pneumatically powered hydraulic pump, the imbibition pipeline (31) of pneumatically powered hydraulic pump group is communicated with fuel tank (1), and the fluid pipeline (32) of pneumatically powered hydraulic pump group is communicated with feed flow pipeline (4).
2, pressure testing device according to claim 1 is characterized in that: the pneumatically powered hydraulic pump group is in series by elementary pneumatically powered hydraulic pump (30a) and secondary pneumatically powered hydraulic pump (30b), and the ratio of compression of secondary pneumatically powered hydraulic pump is more elementary wants high.
3, pressure testing device according to claim 1, it is characterized in that: the release pipeline (6) that is communicated with fuel tank (1) can be installed on the feed flow pipeline behind the high-pressure stop valve (5), release pipeline (6) is gone up pressure-release valve (7) is installed, by the break-make of pressure-release valve pilot piping.
4, pressure testing device according to claim 1 is characterized in that: the fluid pipeline (22) of electric hydraulic pump (20) is equipped with the bypass line (11) that communicates with fuel tank (1), and surplus valve (12) is installed on the bypass line.
5, according to claim 1 or 3 described pressure testing devices, it is characterized in that: also be provided with a release branch road (8) on the feed flow pipeline (4), the release branch road is connected to drainpipe (9), and the pressure-release valve (10) of controller break-make is installed on it.
6, pressure testing device according to claim 1 is characterized in that: on the imbibition pipeline of electric hydraulic pump and pneumatically powered hydraulic pump drainage arrangement is installed all.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202054523U CN201322706Y (en) | 2008-12-17 | 2008-12-17 | Pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202054523U CN201322706Y (en) | 2008-12-17 | 2008-12-17 | Pressure testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201322706Y true CN201322706Y (en) | 2009-10-07 |
Family
ID=41160085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202054523U Expired - Fee Related CN201322706Y (en) | 2008-12-17 | 2008-12-17 | Pressure testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201322706Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115822A (en) * | 2012-12-12 | 2013-05-22 | 上海电气钠硫储能技术有限公司 | Internal-pressure-resistant detection method for ceramic tube |
| CN103123309A (en) * | 2012-12-12 | 2013-05-29 | 上海电气钠硫储能技术有限公司 | Pressurization system used for detecting internal-pressure resistance of ceramic tube |
| CN103123311A (en) * | 2012-12-12 | 2013-05-29 | 上海电气钠硫储能技术有限公司 | Device used for detecting pressure resistance of ceramic tube |
-
2008
- 2008-12-17 CN CNU2008202054523U patent/CN201322706Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115822A (en) * | 2012-12-12 | 2013-05-22 | 上海电气钠硫储能技术有限公司 | Internal-pressure-resistant detection method for ceramic tube |
| CN103123309A (en) * | 2012-12-12 | 2013-05-29 | 上海电气钠硫储能技术有限公司 | Pressurization system used for detecting internal-pressure resistance of ceramic tube |
| CN103123311A (en) * | 2012-12-12 | 2013-05-29 | 上海电气钠硫储能技术有限公司 | Device used for detecting pressure resistance of ceramic tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201173843Y (en) | Automatic control multifunctional pressure test station | |
| CN201322706Y (en) | Pressure testing device | |
| CN104209008B (en) | A kind of reverse osmosis sea water desalting energy recovery device Performance Test System and method | |
| CN101339089B (en) | Single bottom prop liquid-discharging reclaiming and utilization device | |
| CN204312994U (en) | Natural gas production pipeline hydrops recovery unit | |
| CN101430252A (en) | Pressure test device | |
| CN104533478A (en) | Hydraulic system used for recycling emulsified liquid of coal face | |
| CN103821687A (en) | Air-liquid pump | |
| CN104019083A (en) | Hydraulic testing system | |
| CN201535439U (en) | Carbon dioxide gas supercharging device | |
| CN104165739A (en) | Method for testing pressure by adoption of vertical and automatic heat collector flow channel pressure test machine | |
| CN206627373U (en) | A kind of pipeline strength test tool based on compound feed voltage | |
| CN106640847B (en) | Accumulator fatigue experimental device and test method | |
| CN212898453U (en) | Leading energizer fracturing unit of natural gas | |
| CN206468608U (en) | A kind of boosting type electric hydraulic station | |
| CN205155542U (en) | Modified torch gas divides fluid reservoir to press liquid system | |
| CN203809416U (en) | Hydraulic power source supply system | |
| CN204646826U (en) | A kind of hydraulic system of hydraulic test bench | |
| CN111749670A (en) | Natural gas preposed energizing fracturing device and process | |
| CN108087385A (en) | A kind of individual prop tests machine hydraulic system | |
| CN203050641U (en) | Drivepipe gas automatic recovery device | |
| CN105003490A (en) | Agricultural machine hydraulic power source mechanism | |
| CN202182011U (en) | High-pressure air source generating device | |
| CN203796646U (en) | Hydraulic integrated valve bank for conjoined compression box | |
| RU159093U1 (en) | MOBILE PUMP INSTALLATION |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGZHOU DONGSU PETROLEUM D + E EQUIPMENT CO., LT Free format text: FORMER NAME: GUANGZHOU PETROLEUM MACHINERY FACTORY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Panyu District Shawan Town, Guangzhou city of Guangdong Province, 511483 Lane Chung Road No. 107 Patentee after: Guangzhou Dongsu Petroleum D&E Equipment Co., Ltd. Address before: Panyu District Shawan Town, Guangzhou city of Guangdong Province, 511483 Lane Chung Road No. 107 Patentee before: Guangzhou Petroleum Machinery Factory |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20111217 |